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參數(shù)資料
| 型號(hào)： | BD9831AMWV |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PQCC56 |
| 封裝： | 7 X 7 MM, PLASTIC, UQFN-56 |
| 文件頁(yè)數(shù)： | 3/5頁(yè) |
| 文件大小： | 255K |
| 代理商： | BD9831AMWV |
3/4
REV.B
UVLO
OSC
＋
－
INV1
SOFT1
FB1
INV2
FB2
SOFT3
FB3
SCP
CTL2
CTL3
RT
CT
＋
－
2.2V
ERRORAMP1
SLOPE
CH1
Step Down DC/DC
(Current mode)
CTL4
VREGA
VREGD
VREGA VREGD
BOOT1
Lx1(2pin)
PGND12(2pin)
VCC
SOFT2
SOFT4
FB4
CTL1
PVCC1
SCP1
SEL
GND
CH2
Step Down DC/DC
(Current mode)
BOOT2
Lx2
PVCC2
CH3
Step Down DC/DC
(Current mode)
BOOT3
Lx3(2pin)
PVCC3
CH4
Step Down DC/DC
(Current mode)
BOOT4
Lx4
PVCC4
－
CTL5
SOFT5
FB5
SOFT6
FB6
OUT5
ERRORAMP6
OUT6
PGND34(2pin)
－
CTL6
CH5
Step Down DC/DC
(Voltage mode)
CH6
Step Up DC/DC
(Voltage mode)
PVCC56
PGND56
SS TIMER
＋
－
SS TIMER
＋
－
SS TIMER
＋
－
SS TIMER
＋
－
SS TIMER
＋
－
SS TIMER
ERRORAMP2
ERRORAMP3
ERRORAMP4
ERRORAMP5
SCP TIMER
PROTECTION
INV3
INV4
INV5
INV6
SHUT DOWN
ＢＤ９８３１A
Lot No.
●
Package
●
Block Diagram
●
Pin Description
Fig. 1
Fig. 2
Pin No.
Pin Name
Pin Descriptions
Pin No.
Pin Name
Pin Descriptions
1
SEL
CH1～CH4 Oscillator Frequency Cotrol Pin
29
BOOT4
Input Supply Voltage Pin for CH4 Output
2SOFT1
CH1 Soft Start Delay time Setting Pin
with External Capacitor
30
PVCC4
Input Supply Voltage Pin for CH4 Output
3
INV1
CH1Error Amplifier Negative Input Pin
31
Lx4
Pin for Connecting to Inductor
4
FB1
CH1 Error Amplifier Output Pin
32
PGND34
Ground Pin for CH3、4 Output
5SOFT2
CH2 Soft Start Delay time Setting Pin
with External Capacitor
33
PGND34
Ground Pin for CH3、4 Output
6
INV2
CH2 Error Amplifier Negative Input Pin
34
Lx3
Pin for Connecting to Inductor
7
FB2
CH2 Error Amplifier Output Pin
35
Lx3
Pin for Connecting to Inductor
8SOFT3
CH3 Soft Start Delay time Setting Pin
with External Capacitor
36
PVCC3
Input Supply Voltage Pin for CH3 Output
9
INV3
CH3 Error Amplifier Negative Input Pin
37
BOOT3
Input Supply Voltage Pin for CH3 Output
10
FB3
CH3 Error Amplifier Output Pin
38
BOOT2
Input Supply Voltage Pin for CH2 Output
11
SOFT4
CH4 Soft Start Delay time Setting Pin
with External Capacitor
39
PVCC2
Input Supply Voltage Pin for CH2 Output
12
INV4
CH4 Error Amplifier Negative Input Pin
40
Lx2
Pin for Connecting to Inductor
13
FB4
CH4 Error Amplifier Output Pin
41
CTL3
CH3 ON/OFF Control Pin
14
SOFT5
CH5 Soft Start Delay time Setting Pin
with External Capacitor
42
CTL2
CH2 ON/OFF Control Pin
15
INV5
CH5 Error Amplifier Negative Input Pin
43
CTL1
CH1 ON/OFF Control Pin
16
FB5
CH5 Error Amplifier Output Pin
44
PGND12
Ground Pin for CH1、2 Output
17
SOFT6
CH6 Soft Start Delay time Setting Pin
with External Capacitor
45
PGND12
Ground Pin for CH1、2 Output
18
INV6
CH6 Error Amplifier Negative Input Pin
46
Lx1
Pin for Connecting to Inductor
19
FB6
CH6 Error Amplifier Output Pin
47
Lx1
Pin for Connecting to Inductor
20
SCP1
Short Detective Comparator
Negative Input Pin
48
PVCC1
Input Supply Voltage Pin for CH1Output
21
SCP
Short Circuit Protection Delay time Setting Pin
with External Capacitor
49
BOOT1
Input Supply Voltage Pin for CH1Output
22
OUT6
CH6 NchFET Driver Output Pin
50
VREGD
Bias Output Voltage Pin
23
PGND56
Ground Pin for CH5、6 Driver
51
VCC
Input Supply Voltage Pin
24
OUT5
Output Pin for CH5 PchFET Driver
52
VREGA
Reference Output Voltage Pin
25
PVCC56
Input Supply Voltage Pin for CH5、6 Driver
53
GND
Ground Pin
26
CTL6
CH6 ON/OFF Control Pin
54
SLOPE
Slope Setting Pin with external Resistor
27
CTL5
CH5 ON/OFF Control Pin
55
RT
Oscillator Frequency Adjustment Pin
with external Resistor
28
CTL4
CH4 ON/OFF Control Pin
56
CT
Oscillator Frequency Adjustment Pin
with external Capacitor
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